The image is further magnified by the objective lens.Thus the magnification of a microscope is: magnification power of the eye-piece multiplied by the power of the objective lens. Formula of Magnification. Note: - If magnification (m) is positive, It means image formed is virtual and erect If magnification (m) is negative, It means image formed is real and inverted Questions Example 10.3 - … A calculated number called ‘magnification’ quantifies this enlargement. From here, you can work backwards to find any pieces of the equation that you need. Moreover, we understand it as how big or small an image of the object will appear. Calculating magnification with the help of lens formula: Magnification of a lens is defined as the ratio of the height of an image to the height of an object. It is also given in terms of image distance and object distance. Numerical Methods In Lens (A) Lens Formula Definition: The equation relating the object distance (u), the image distance (v) and the focal length (f) of the lens is called the lens formula… Start with your equation and determine which variables you know. April 28, 2019 by Veerendra. Magnification is the method of enlarging the appearance of an object, not its actual size. Understanding the magnification physically is quite easy and every one of us can recognize it. The formula of magnification represents the ratio of the height of the image to the ratio of the height of the object. It is equal to the ratio of image distance to that of … When the number is not more than one, it refers to size reduction, sometimes called de-magnification or minification.  X Research source Like with many other physics problems, a good way to approach magnification problems is to first write the equation you need to find your answer. Usually, magnification involves scaling up images and visuals to see more details with greater […] Microscopes magnify an image by use of lens found in the eye-piece, which is also known as the ocular lens. Lens Formula & Magnification – Lens Power.